'Stellar disk' presentation slideshows

Dynamical evolution of the young stars in the Galactic center

Dynamical evolution of the young stars in the Galactic center. Hagai B. Perets Harvard-Smithsonian Center for Astrophysics. Outline. Observations of young stars in the GC Possible origins Dynamical processes The S-stars The disk (?) stars Summary. Observations: overview.

927 views • 81 slides

Chapter 12

Chapter 12. Star Stuff. Evolution of Low-Mass Stars. 1. The Sun began its life like all stars as an intersteller cloud . 2. This cloud collapses due to gravity into a dense core . 3. In about a million years a small, hot, dense core called a protostar forms. .

560 views • 41 slides

GRAVITATIONAL REDSHIFTS

763 views • 39 slides

Bars Galaxy and galactic system mergers Stefans Quintet impulse approximation

AST1420. Lecture 19 Bars, Mergers, Ellipticals. Bars Galaxy and galactic system mergers Stefans Quintet impulse approximation dynamical friction dynamical friction in Maxwellian velocity field applications: dissolution of globular clusters in Andromeda

476 views • 37 slides

345 views • 34 slides

Stellar Spectroscopy during Exoplanet Transits Revealing structures across stellar surfaces

415 views • 27 slides

Other Science from Microlensing Surveys I or

322 views • 24 slides

The Orientation of the AGNs

The Orientation of the AGNs. ??? ????? ???????????. outline. Introduction: orientation as a key parameter of AGN schema Observation: type 2 AGN host spirals are biased to these with low inclinations

375 views • 22 slides

The tilt between accretion disk and stellar disk

The tilt between accretion disk and stellar disk. Shiyin Shen Shanghai Astronomical Observatory Collaborators ? ZhengYi Shao ? Minfeng Gu. Motivation. Correlation between the orientation of stellar disk and accretion disk?. What we know. Inclination of stellar disk Axis ratio b/a

368 views • 16 slides

LINE PROFILES & WAVELENGTHS ACROSS STELLAR SURFACES

172 views • 9 slides